usb wireless device not working

[ 1238.157524] usb 4-1.3.4: new high-speed USB device number 9 using ehci_hcd
[ 1238.284632] usb 4-1.3.4: New USB device found, idVendor=13b1, idProduct=002f
[ 1238.284643] usb 4-1.3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1238.284648] usb 4-1.3.4: Product: Linksys AE1000
[ 1238.284653] usb 4-1.3.4: Manufacturer: Linksys
[ 1238.361466] usb 4-1.3.4: reset high-speed USB device number 9 using ehci_hcd
[ 1238.494925] ieee80211 phy3: Selected rate control algorithm 'minstrel_ht'
[ 1238.497636] Registered led device: rt2800usb-phy3::radio
[ 1238.497703] Registered led device: rt2800usb-phy3::assoc
[ 1238.497769] Registered led device: rt2800usb-phy3::quality
[ 1238.541976] udevd[4210]: renamed network interface wlan0 to wlan1
[ 1238.566478] rt2800usb 4-1.3.4:1.0: firmware: agent aborted loading rt2870.bin (not found?)